#516DC7#516DC7

#516DC7 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.8% C 0.143 H 268.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#516DC7
RGB	rgb(81, 109, 199)
HSL	hsl(226, 51%, 55%)
HSV	hsv(226, 59%, 78%)
CMYK	cmyk(59.3%, 45.2%, 0%, 22%)
CIE-LAB	lab(48.02, 17.27, -50.11)
CIE-LCH	lch(48.02, 53.00, 289.02°)
OKLab	oklab(55.81% -0.0038 -0.1429)
OKLCH	oklch(55.81% 0.143 268.5)
XYZ	xyz(19.1673, 16.8086, 56.2561)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DC7 #C7AB51

analogous

#51A8C7 #516DC7 #7051C7

triadic

#516DC7 #C7516D #6DC751

tetradic

#516DC7 #C751A8 #C7AB51 #51C770

square

#516DC7 #C751A8 #C7AB51 #51C770

split-complementary

#516DC7 #C77051 #A8C751

monochromatic

#263A77 #3550A6 #516DC7 #7F94D6 #AEBBE5

Accessibility & contrast

On white

4.81

#516DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#516DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DC7

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DC7	#FFFFFF	#000000	##FFFFFF
##516DC7	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4378CA

Deuteranopia (green-blind)

#326DC5

Tritanopia (blue-blind)

#008190

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516dc7;
/* rgb */ color: rgb(81, 109, 199);
/* oklch */ color: oklch(55.8% 0.143 268.5);

Tailwind

colors: {
  custom: {
    50: '#8c96d8',
    500: '#516dc7',
    950: '#000000',
  },
}

SCSS

$custom: #516dc7;
$custom-light: #8c96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516dc7",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 199
  },
  "hsl": {
    "h": 225.763,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55808,
    "c": 0.14296,
    "h": 268.5
  },
  "luminance": 0.1681
}

Semantic roles & 50–950 ramp

primary

#516DC7

secondary

#D3C7A1

accent

#B94DDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516DC7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →